Hello John, welcome to Talk Jesus, and to the family of God
Maybe these scriptures will help answer your questions...
Romans 14:9 For to this end Christ both died, and rose, and revived, that he might be Lord both of the dead and living.
1Co 15:22 For as in Adam all die, so also in Christ shall all be made alive.
1Co 15:23 But each in his own order: Christ the firstfruits; then they that are Christ's, at his coming.
1Co 15:24 Then cometh the end, when he shall deliver up the kingdom to God, even the Father; when he shall have abolished all rule and all authority and power.
1Co 15:25 For he must reign, till he hath put all his enemies under his feet.
1Co 15:26 The last enemy that shall be abolished is death.